Dell PowerEdge 1950 Hardware Owner's Manual (PDF) - Page 150

Media Access Control address. Your, Microsoft Disk Operating System. - leds

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jumper - Small blocks on a circuit board with two or more pins emerging from them. Plastic plugs containing a wire fit down over the pins. The wire connects the pins and creates a circuit, providing a simple and reversible method of changing the circuitry in a board. K - Kilo-; 1000. Kb - Kilobit(s); 1024 bits. KB - Kilobyte(s); 1024 bytes. Kbps - Kilobit(s) per second. KBps - Kilobyte(s) per second. key combination - A command requiring you to press multiple keys at the same time (for example, ). kg - Kilogram(s); 1000 grams. kHz - Kilohertz. KMM - Keyboard/monitor/mouse. KVM - Keyboard/video/mouse. KVM refers to a switch that allows selection of the system from which the video is displayed and for which the keyboard and mouse are used. LAN - Local area network. A LAN is usually confined to the same building or a few nearby buildings, with all equipment linked by wiring dedicated specifically to the LAN. lb - Pound(s). LCD - Liquid crystal display. LED - Light-emitting diode. An electronic device that lights up when a current is passed through it. LGA - Land grid array. A type of processor socket. Unlike the PGA interface, the LGA interface has no pins on the chip; instead, the chip has pads that contact pins on the system board. Linux - A UNIX-like operating system that runs on a variety of hardware systems. Linux is open source software, which is freely available; however, the full distribution of Linux along with technical support and training are available for a fee from vendors such as Red Hat Software. local bus - On a system with local-bus expansion capability, certain peripheral devices (such as the video adapter circuitry) can be designed to run much faster than they would with a traditional expansion bus. See also bus. LVD - Low voltage differential. m - Meter(s). mA - Milliampere(s). MAC address - Media Access Control address. Your system's unique hardware number on a network. mAh - Milliampere-hour(s). Mb - Megabit(s); 1,048,576 bits. MB - Megabyte(s); 1,048,576 bytes. However, when referring to hard-drive capacity, the term is often rounded to mean 1,000,000 bytes. Mbps - Megabits per second. MBps - Megabytes per second. MBR - Master boot record. memory address - A specific location, usually expressed as a hexadecimal number, in the system's RAM. memory module - A small circuit board containing DRAM chips that connects to the system board. memory - An area in your system that stores basic system data. A system can contain several different forms of memory, such as integrated memory (ROM and RAM) and add-in memory modules (DIMMs). MHz - Megahertz. mirroring - A type of data redundancy in which a set of physical drives stores data and one or more sets of additional drives stores duplicate copies of the data. Mirroring functionality is provided by software. See also guarding, integrated mirroring, striping, and RAID. mm - Millimeter(s). ms - Millisecond(s). MS-DOS® - Microsoft Disk Operating System. 150 Glossary

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150
Glossary
jumper
— Small blocks on a circuit board with two or more
pins emerging from them. Plastic plugs containing a wire fit
down over the pins. The wire connects the pins and creates a
circuit, providing a simple and reversible method of
changing the circuitry in a board.
K
— Kilo-; 1000.
Kb
— Kilobit(s); 1024 bits.
KB
— Kilobyte(s); 1024 bytes.
Kbps
— Kilobit(s) per second.
KBps
— Kilobyte(s) per second.
key combination
— A command requiring you to press
multiple keys at the same time (for example,
<Ctrl><Alt><Del>).
kg
— Kilogram(s); 1000 grams.
kHz
— Kilohertz.
KMM
— Keyboard/monitor/mouse.
KVM
— Keyboard/video/mouse. KVM refers to a switch
that allows selection of the system from which the video
is displayed and for which the keyboard and mouse are
used.
LAN
— Local area network. A LAN is usually confined to
the same building or a few nearby buildings, with all
equipment linked by wiring dedicated specifically to the
LAN.
lb
— Pound(s).
LCD
— Liquid crystal display.
LED
— Light-emitting diode. An electronic device that
lights up when a current is passed through it.
LGA —
Land grid array. A type of processor socket. Unlike
the PGA interface, the LGA interface has no pins on the
chip; instead, the chip has pads that contact pins on the
system board.
Linux
— A UNIX-like operating system that runs on a
variety of hardware systems. Linux is open source software,
which is freely available; however, the full distribution of
Linux along with technical support and training are
available for a fee from vendors such as Red Hat Software.
local bus
— On a system with local-bus expansion
capability, certain peripheral devices (such as the video
adapter circuitry) can be designed to run much faster than
they would with a traditional expansion bus. See also
bus
.
LVD
— Low voltage differential.
m
— Meter(s).
mA
— Milliampere(s).
MAC address
— Media Access Control address. Your
system’s unique hardware number on a network.
mAh
— Milliampere-hour(s).
Mb
— Megabit(s); 1,048,576 bits.
MB
— Megabyte(s); 1,048,576 bytes. However, when
referring to hard-drive capacity, the term is often rounded to
mean 1,000,000 bytes.
Mbps
— Megabits per second.
MBps
— Megabytes per second.
MBR
— Master boot record.
memory address
— A specific location, usually expressed
as a hexadecimal number, in the system’s RAM.
memory module
— A small circuit board containing
DRAM chips that connects to the system board.
memory
— An area in your system that stores basic system
data. A system can contain several different forms of
memory, such as integrated memory (ROM and RAM) and
add-in memory modules (DIMMs).
MHz
— Megahertz.
mirroring
— A type of data redundancy in which a set of
physical drives stores data and one or more sets of
additional drives stores duplicate copies of the data.
Mirroring functionality is provided by software. See also
guarding
,
integrated mirroring
,
striping
, and
RAID
.
mm
— Millimeter(s).
ms
— Millisecond(s).
MS-DOS
®
— Microsoft Disk Operating System.